Dolmette chainsaw motorbike

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The amazing Dolmette (pictured) is a concept motorbike powered by 24 chainsaw engines. It’s made by German company Dolmar (they make chainsaws, strimmers and other destructive things) and it’s quite a beast – the combined power of those two-dozen chainsaw engines is fed into to a
5-speed Harley-Davidson transmission by a series of twelve toothed
belts. The engine in question is the one used in Dolmar’s PS-7900 professional
chainsaw, which currently boasts the best power-to-weight ratio of any
professional petrol chainsaw in the world. [Via High-T3ch]